3889837979832 has 192 divisors, whose sum is σ = 11968125840000. Its totient is φ = 1047542678784.

The previous prime is 3889837979773. The next prime is 3889837979837. The reversal of 3889837979832 is 2389797389883.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889837979837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3959919 + ... + 4843617.

It is an arithmetic number, because the mean of its divisors is an integer number (62333988750).

Almost surely, 2^{3889837979832} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3889837979832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5984062920000).

3889837979832 is an abundant number, since it is smaller than the sum of its proper divisors (8078287860168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3889837979832 is a wasteful number, since it uses less digits than its factorization.

3889837979832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883938 (or 883927 counting only the distinct ones).

The product of its digits is 7900913664, while the sum is 84.

The spelling of 3889837979832 in words is "three trillion, eight hundred eighty-nine billion, eight hundred thirty-seven million, nine hundred seventy-nine thousand, eight hundred thirty-two".